Which best explains why Florida viewed President Abraham Lincoln as a threat? Lincoln was anti-slavery and Florida voters feared he would start a war to prevent the practice of owning enslaved persons. Lincoln supported slavery and Florida voters feared he would call for its legal expansion in the Southern states. Lincoln was anti-slavery and Florida voters feared he would call for an end to the practice of owning enslaved persons. Lincoln supported slavery and Florida voters feared he would start a war to ensure its expansion in the South.

A). Lincoln was anti-slavery and Florida voters feared he would start a war to prevent the practice of owning enslaved persons.

Explanation:

The key reason for Florida considering Lincoln(who was the president at the time) as a threat was 'Lincoln's anti-slavery attitude which made the voters of Florida fear that he might move to the extent of beginning a battle for the rights of slaved and against the ones who own them.' He even says, 'if slavery is not wrong, nothing is wrong.' Since Lincoln believed in leading the nation with morality, ethics, and constitution, this made Florida to think twice that his abolitionist attitude may pose a threat to them. Thus, option A is the correct answer.